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<?php $string = 'abcdef'; echo substr($string, 0, substr($string, -1));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: substr(): Argument #3 ($length) must be of type ?int, string given in /in/RltW0:3 Stack trace: #0 /in/RltW0(3): substr('abcdef', 0, 'f') #1 {main} thrown in /in/RltW0 on line 3
Process exited with code 255.

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